Model 3710 Plasma Control Console
Operator’s
Manual
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Issued: 03/11
Page
57
5.2 Troubleshooting Chart
Trouble
Probable Cause
Remedy
Solenoid S10 Bad
Replace Solenoid.
Bad Water Flow Switch in
Heat Exchanger
Replace Water Flow Switch.
Water pump Fails to Start
Bad Magnetic Contactor in
Heat Exchanger
Disconnected or Faulty Cable
Connections
Replace Magnetic Contactor.
Inspect and repair/replace as
needed.
Fuse F2
Replace Fuse F2.
No Main Power
Master Switch
Replace Master Switch.
Power Switch
Replace Power Switch.
Arc Gas Pressure Switch
Replace Arc Gas Pressure
Switch.
Arc Gas Pressure Too Low
Increase Arc Gas Pressure.
Low Water Flow Condition
Increase Water Pressure.
Water Pressure Switch
Replace Water Pressure
Switch.
No Arc Power
Arc Gas Solenoid
Replace Arc Gas Solenoid.
Master Push Button Fails to
Light When Activated
Light Bulb
Replace Light Bulb.
Voltmeter Replace
Voltmeter.
No Voltmeter Readouts
Cable P/N 5005275
Check Cable Continuity.
Replace If Necessary.
High Frequency Switch
Repair or Replace High
Frequency Switch.
Fuse Replace
Fuse.
No High Frequency
Cables P/N 5005222 and P/N
5005224
Replace or Replace Cable.
Aux Gas Solenoid
Repair or Replace Aux. Gas
Solenoid.
No Aux. Gas
Low Gas Supply
Replenish Gas Supply
Powder Gas Solenoid
Repair or Replace Powder Gas
Solenoid
No Powder Gas
Low Gas Supply
Replenish Gas Supply
